Littleton Museum Harvest Festival

Oct. 13, 10am-3pm

Explore the 1860s farm, pick out a Halloween pumpkin, and go on a hayride. Admission is free but refreshments and some activities require tickets, which are purchased at the event. Littleton Museum. littletongov.org

Maize in the City

Through Oct. 21

Navigate a 20-acre cornfield maze with the help of a smartphone trivia game. Try the mini maze for younger kids. Ride on a barrel train, visit the petting zoo, and swim through a corn kernel box with a corn kernel waterfall. Choose from 15 varieties of pumpkins and gourds set in an easy-to-pick field. Free-$20. Maize in the City, Thornton. maizeinthecity.com

Miller Farms Fall Harvest Festival

Through Nov. 17

Find out what happens on a real working farm. Ride on a tractor, harvest vegetables, and enjoy a petting zoo and corn maze. $22 adults, $18 ages 5-12, free age 3 and under. Special pricing available for groups and school groups. Miller Farms, Platteville. millerfarms.net

Pumpkin Harvest Festival

Oct. 6-7, 10am-4pm

Build a scarecrow, pick the perfect pumpkin, tour the park in a horse-drawn wagon, play games, and enjoy food and drinks from the beer garden and local food trucks. Free admission. Four Mile Historic Park, Denver. 720-865-0800. fourmilepark.org

Pumpkin Patch Fall Festival

Through Oct. 31

Visit a family farm selling pumpkins and fall produce, play in the corn or straw bale maze, and see farm animals and tractors. Wagon rides available Sat-Sun. Open daily, 10am-6pm. Free on weekdays; $5 Sat-Sun. Cottonwood Farm, Lafayette. 720-890-4766. cottonwoodfarms.com

Pumpkin Nights

Oct. 17-Nov. 4, 5:30-10:30pm

Follow a half-mile path as it leads you through eight multisensory pumpkin-themed lands. More than 3,000 hand-carved pumpkins and funkins greet visitors along with fire breathers, dancers, and pumpkin artists. The Pumpkin Central area features a movie screening of Pixar’s Coco, a pumpkin patch, pumpkin painting, and festive food. Free-$60. Adams County Regional Park Complex, Brighton. 619-955-5285. pumpkinnights.com

Punkin Chunkin Colorado

Oct. 6-7, 10am-3pm

See how far pumpkins can fly using a variety of air cannons, catapults, and other wild contraptions. Pick your own prized pumpkin from the expansive patch, enjoy pony rides, a car show, face painting, and crafts. $5 single admission, $15 family 4-pack. Arapahoe Park, Aurora. auroragov.org

Schweiger Ranch Fall Festival

Oct. 6, 10am-2pm

Pick out a favorite pumpkin in the pumpkin patch or take a hay wagon ride provided by Colorado Carriage Company. The event is free and open to the public. Schweiger Ranch, Lone Tree. cityoflonetree.com